403537420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{127}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 1021031424

約数和(自身を除く): 617494004

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 101, 110, 121, 127, 130, 143, 202, 220, 242, 254, 260, 286, 404, 484, 505, 508, 572, 605, 635, 715, 1010, 1111, 1210, 1270, 1313, 1397, 1430, 1573, 1651, 2020, 2222, 2420, 2540, 2626, 2794, 2860, 3146, 3302, 4444, 5252, 5555, 5588, 6292, 6565, 6604, 6985, 7865, 8255, 11110, 12221, 12827, 13130, 13970, 14443, 15367, 15730, 16510, 18161, 22220, 24442, 25654, 26260, 27940, 28886, 30734, 31460, 33020, 36322, 48884, 51308, 57772, 61105, 61468, 64135, 72215, 72644, 76835, 90805, 122210, 128270, 141097, 144430, 153670, 158873, 166751, 181610, 199771, 244420, 256540, 282194, 288860, 307340, 317746, 333502, 363220, 399542, 564388, 635492, 667004, 705485, 794365, 799084, 833755, 998855, 1410970, 1552067, 1588730, 1667510, 1834261, 1997710, 2821940, 3104134, 3177460, 3335020, 3668522, 3995420, 6208268, 7337044, 7760335, 9171305, 15520670, 18342610, 20176871, 31041340, 36685220, 40353742, 80707484, 100884355, 201768710, 403537420]

約数ペア:

[(1, 403537420), (2, 201768710), (4, 100884355), (5, 80707484), (10, 40353742), (11, 36685220), (13, 31041340), (20, 20176871), (22, 18342610), (26, 15520670), (44, 9171305), (52, 7760335), (55, 7337044), (65, 6208268), (101, 3995420), (110, 3668522), (121, 3335020), (127, 3177460), (130, 3104134), (143, 2821940), (202, 1997710), (220, 1834261), (242, 1667510), (254, 1588730), (260, 1552067), (286, 1410970), (404, 998855), (484, 833755), (505, 799084), (508, 794365), (572, 705485), (605, 667004), (635, 635492), (715, 564388), (1010, 399542), (1111, 363220), (1210, 333502), (1270, 317746), (1313, 307340), (1397, 288860), (1430, 282194), (1573, 256540), (1651, 244420), (2020, 199771), (2222, 181610), (2420, 166751), (2540, 158873), (2626, 153670), (2794, 144430), (2860, 141097), (3146, 128270), (3302, 122210), (4444, 90805), (5252, 76835), (5555, 72644), (5588, 72215), (6292, 64135), (6565, 61468), (6604, 61105), (6985, 57772), (7865, 51308), (8255, 48884), (11110, 36322), (12221, 33020), (12827, 31460), (13130, 30734), (13970, 28886), (14443, 27940), (15367, 26260), (15730, 25654), (16510, 24442), (18161, 22220)]